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Finding the Fourth Proportional to 602,055.41, 830,845.82 and 330,148.13

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Solution

The fourth proportional to 602,055.41, 830,845.82 and 330,148.13 is: 455,609.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,055.41 : 830,845.82 = 330,148.13 : x
  2. Step 2: Convert to fraction form
    602,055.41/830,845.82 = 330,148.13/x
  3. Step 3: Cross multiply
    602,055.41x = 830,845.82 × 330,148.13
  4. Step 4: Simplify right side
    602,055.41x = 274,302,190,462.46
  5. Step 5: Solve for x
    x = 274,302,190,462.46/602,055.41
  6. Step 6: Final answer
    x = 455,609.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.